Cast of Thor: Ragnarok – Full List of Actors and Characters

Few Marvel movies arrive with as much creative adrenaline as Thor: Ragnarok did in 2017. Taika Waititi turned a once-struggling franchise into a cosmic comedy with a cast that feels more like a reunion of indie film royalty than a standard superhero lineup.

Director: Taika Waititi ·
Release year: 2017 ·
Main cast count: 6 ·
Total credited cast: 50+ ·
Box office: $854 million

The key facts below show the film’s basic production specs.

Who plays the main characters in Thor: Ragnarok?

Who plays Thor?

• Chris Hemsworth stars as Thor Odinson, the Asgardian god of thunder stripped of his hammer and stranded on Sakaar. Hemsworth had already played the role in three prior MCU films when Ragnarok debuted (IMDb Full Cast & Crew).

Who plays Loki?

• Tom Hiddleston returns as Loki, Thor’s adoptive brother and master of mischief. Hiddleston’s Loki had been a fan favourite since Thor (2011), and Ragnarok leans into his antagonism and reluctant alliance (IMDb Full Cast & Crew).

Who plays Hela?

• Cate Blanchett portrays Hela, the goddess of death and Thor’s long-buried older sister. Blanchett brought a theatrical menace to the role, which was written by Waititi specifically with her in mind (Metacritic Credits).

Who plays Valkyrie?

• Tessa Thompson plays Valkyrie (also known as Brunnhilde), a roving, hard-drinking former Asgardian warrior who becomes Thor’s ally on Sakaar. The character marked Thompson’s MCU debut (Metacritic Credits).

Who plays the Grandmaster?

• Jeff Goldblum plays the Grandmaster, the eccentric, hedonistic ruler of Sakaar who pits warriors in gladiatorial combat. Goldblum’s improvisational style became a hallmark of the film’s comedic tone (WeLiveEntertainment).

What this means: Ragnarok‘s main cast blends returning veterans with fresh faces, and each new addition reshapes the franchise’s tone. Blanchett’s Hela, in particular, gave Thor a villain who could match his power while demanding a different kind of performance — theatrical rather than stoic.

Who plays the supporting and villain roles?

Who plays the rock guy (Korg)?

• Taika Waititi voices and provides motion capture for Korg, the gentle, Kronan gladiator who befriends Thor. Korg, with his deadpan delivery and iconic line about “piss off, ghost,” became a breakout character (Marvel Cinematic Universe Wiki).

Who plays the Executioner (Skurge)?

• Karl Urban plays Skurge (the Executioner), Hela’s reluctant henchman. Urban brought gravitas to a role that begins as comic relief and ends in redemptive sacrifice (Metacritic Credits).

Who plays Surtur?

• Clancy Brown voices Surtur, the fire demon whose prophecy of Ragnarok opens the film. Brown’s deep, rumbling delivery gives the character a mythic weight (Metacritic Credits).

Who plays Heimdall?

• Idris Elba returns as Heimdall, the all-seeing guardian of the Bifröst. Elba’s role in Ragnarok expands from gatekeeper to rebel leader, protecting Asgardian refugees (IMDb Full Cast & Crew).

Who plays Miek?

• Miek, the insectoid gladiator who fights alongside Korg, is portrayed by a creature performer (credited as “Miek” on IMDb). Unlike Korg, Miek has no dialogue, but the character became a fan favourite in subsequent MCU appearances (IMDb Full Cast & Crew).

The catch: Waititi’s performance as Korg creates an odd tension — the director’s own character becomes one of the film’s most beloved, which means viewers may overlook other supporting players like Rachel House’s Topaz (Metacritic Credits). House, a frequent Waititi collaborator, plays the Grandmaster’s enforcer with deadpan cruelty that deserves attention.

Who directed Thor: Ragnarok and what was their involvement in the cast?

Who directed Thor: Ragnarok?

• Taika Waititi directed the film, taking over from Alan Taylor (who helmed Thor: The Dark World). Waititi brought a distinctive comedic and improvisational style that redefined the franchise’s tone (IMDb Full Cast & Crew).

Did the director also act in the movie?

• Yes. Waititi not only directed but also voiced and performed motion capture for Korg, the Kronan gladiator. He is also credited in secondary cast listings for additional voice work tied to Surtur (Marvel Cinematic Universe Wiki).

The pattern: Waititi’s dual role as director and actor in Ragnarok mirrors his earlier work in indie films like What We Do in the Shadows, where he directed and performed. For Marvel, this was a gamble that paid off — Korg became the film’s comic soul, and Waititi’s on-set presence reportedly kept the energy loose and collaborative.

What is the full cast list according to authoritative sources?

Where can I find the complete cast of Thor: Ragnarok?

• IMDb and Wikipedia provide the most comprehensive cast listings. IMDb credits over 50 named roles, including minor parts like “Asgardian Date #1,” “Sakaaran Citizen,” and “Refugee” (IMDb Full Cast & Crew).

What does IMDb list for cast?

• IMDb’s full credits include the core cast plus background roles, stunt doubles, and uncredited extras. Key secondary cast members include Luke Hemsworth (Actor Thor), Matt Damon (Actor Loki), Sam Neill (Actor Odin), and Charlotte Nicdao (Actor Sif) from the Asgardian stage-play cameo (IMDb Full Cast & Crew).
• Benedict Cumberbatch appears as Doctor Strange in a cameo that directly sets up the events of the film (Metacritic Credits).
• Stan Lee makes his customary cameo as a barber whose machine gets cut by a strand of Thor’s hair.

The trade-off: IMDb is comprehensive but not always authoritative for minor roles — some extras are uncredited, and fan databases like the Marvel Cinematic Universe Wiki occasionally inflate credit counts. For a definitive list, cross-reference IMDb with Metacritic’s credits page (Metacritic Credits).

How does the cast of Thor: Ragnarok compare to earlier Thor movies?

Which actors returned from Thor: The Dark World?

• Returning cast members from Thor: The Dark World (2013) include Chris Hemsworth (Thor), Tom Hiddleston (Loki), Idris Elba (Heimdall), Anthony Hopkins (Odin), and the Warriors Three — Tadanobu Asano (Hogun), Ray Stevenson (Volstagg), and Zachary Levi (Fandral) (Metacritic Credits).

Who was new in Ragnarok?

• New major cast members include Cate Blanchett (Hela), Tessa Thompson (Valkyrie), Jeff Goldblum (Grandmaster), Karl Urban (Skurge), and Taika Waititi (Korg).
• Natalie Portman, who played Jane Foster in the first two Thor films, did not appear in Ragnarok. Portman’s absence was a notable departure from the franchise’s romantic subplot (IMDb Full Cast & Crew).

The implication: The cast turnover between The Dark World and Ragnarok is dramatic — only a handful of core players survived. For fans of the earlier films, the loss of Portman and the Warriors Three (who are killed off) signals Marvel’s willingness to reset a franchise completely. For newcomers, the clean slate makes Ragnarok one of the most accessible MCU entries.

For a comprehensive overview of the full ensemble, check out the cast of Thor: Ragnarok on Moviracast.

Frequently asked questions

For MCU completists tracking every face across the franchise, the stage-play scene is a goldmine — Matt Damon’s Loki actor and Sam Neill’s Odin actor form a deliberate meta-joke about the franchise’s own casting. The trade-off: these cameos are so brief that even dedicated fans sometimes miss them. Consulting IMDb’s full credits is the only way to catch every name.

For the cast of Thor: Ragnarok, the choice is clear: either embrace Waititi’s anarchic ensemble, or miss one of the MCU’s most eclectic lineups. The film’s 50-plus credited roles, from A-list leads to one-line cameos, reward repeat viewings — and careful IMDb browsing.

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